Year	% of total merchandise exports
1992	7.799878505475247
1993	2.5807259594384213
1994	6.539299216429965
1995	7.268977036375573
1996	12.73257843434545
1997	10.10786349483326
1998	10.957730106913074
1999	8.441236407593204
2000	54.32005894181666
2001	54.32949041527628
2002	54.38020409448405
2003	54.24051853396868
2004	54.81912945665158
2005	54.90817802821781
2006	54.946984071458225
2007	54.94698410327763
2008	54.94698405702562
2009	54.946984071878134
2010	54.9469839972584
2011	54.946983954513385
2012	54.946983950422904
2013	54.946984133792064
2014	54.94698413662268
2015	54.94698388974074
2016	27.236760288313167
2017	24.635070115018166
2018	26.49869088164239
2019	21.85320041294579
2020	17.34598452771218